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💊 TRUXIMA

☠ BLACK BOX WARNING
Generic: RITUXIMAB-ABBS
INTRAVENOUS FDA Label
☠
FDA BLACK BOX WARNING

WARNING: FATAL INFUSION-RELATED REACTIONS, SEVERE MUCOCUTANEOUS REACTIONS, HEPATITIS B VIRUS REACTIVATION and PROGRESSIVE MULTIFOCAL LEUKOENCEPHALOPATHY (PML) WARNING: FATAL INFUSION-RELATED REACTIONS, SEVERE MUCOCUTANEOUS REACTIONS, HEPATITIS B VIRUS REACTIVATION and PROGRESSIVE MULTIFOCAL LEUKOENC…

Quick reference
RouteINTRAVENOUS
ManufacturerCephalon, Inc.
SourceFDA Label
✅ Indications & Usage ›

1 INDICATIONS AND USAGE TRUXIMA (rituximab-abbs) is a CD20-directed cytolytic antibody indicated for the treatment of adult patients with: Non-Hodgkin's Lymphoma (NHL) ( 1.1 ). Relapsed or refractory, low grade or follicular, CD20-positive B-cell NHL as a single agent. Previously untreated follicular, CD20-positive, B-cell NHL in combination with first line chemotherapy and, in patients achieving a complete or partial response to a rituximab product in combination with chemotherapy, as single-agent maintenance therapy. Non-progressing (including stable disease), low-grade, CD20-positive, B-cell NHL as a single agent after first-line cyclophosphamide, vincristine, and prednisone (CVP) chemotherapy. Previously untreated diffuse large B-cell, CD20-positive NHL in combination with (cyclophosphamide, doxorubicin, vincristine, and prednisone) (CHOP) or other anthracycline-based chemotherapy regimens. Chronic Lymphocytic Leukemia (CLL) ( 1.2 ). Previously untreated and previously treated CD20-positive CLL in combination with fludarabine and cyclophosphamide (FC). Rheumatoid Arthritis (RA) in combination with methotrexate in adult patients with moderately-to severely-active RA who have inadequate response to one or more TNF antagonist therapies ( 1.3 ). Granulomatosis with Polyangiitis (GPA) (Wegener’s Granulomatosis) and Microscopic Polyangiitis (MPA) in adult patients in combination with glucocorticoids ( 1.4 ). Moderate to severe Pemphigus Vulgaris (PV) in adult patients ( 1.5 )

1.1 Non • Hodgkin's Lymphoma (NHL) TRUXIMA (rituximab-abbs) is indicated for the treatment of adult patients with: Relapsed or refractory, low-grade or follicular, CD20-positive, B-cell NHL as a single agent. Previously untreated follicular, CD20-positive, B-cell NHL in combination with first line chemotherapy and, in patients achieving a complete or partial response to a rituximab product in combination with chemotherapy, as single-agent maintenance therapy. Non-progressing (including stable d... [See full FDA label]

💉 Dosage & Administration ›

2 DOSAGE AND ADMINISTRATION Administer only as an intravenous infusion ( 2.1 ). Do not administer as an intravenous push or bolus ( 2.1 ). TRUXIMA should only be administered by a healthcare professional with appropriate medical support to manage severe infusion-related reactions that can be fatal if they occur( 2.1 ). The dose for NHL is 375 mg/m 2 ( 2.2 ). The dose for CLL is 375 mg/m 2 in the first cycle and 500 mg/m 2 in cycles 2-6, in combination with FC, administered every 28 days ( 2.3 ). The dose as a component of Zevalin ® (ibritumomab tiuxetan) Therapeutic Regimen is 250 mg/m 2 ( 2.4 ). The dose for RA in combination with methotrexate is two-1000 mg intravenous infusions separated by 2 weeks (one course) every 24 weeks or based on clinical evaluation, but not sooner than every 16 weeks. Methylprednisolone 100 mg intravenous or equivalent glucocorticoid is recommended 30 minutes prior to each infusion ( 2.5 ). The induction dose for adult patients with active GPA and MPA in combination with glucocorticoids is 375 mg/m2 once weekly for 4 weeks. The follow up dose for adult patients with GPA and MPA who have achieved disease control with induction treatment, in combination with glucocorticoids is two 500 mg intravenous infusions separated by two weeks, followed by a 500 mg intravenous infusion every 6 months thereafter based on clinical evaluation ( 2.6 ). The dose for PV is two-1,000 mg intravenous infusions separated by 2 weeks in combination with a tapering course of glucocorticoids, then a 500 mg intravenous infusion at Month 12 and every 6 months thereafter or based on clinical evaluation. Dose upon relapse is a 1,000 mg intravenous infusion with considerations to resume or increase the glucocorticoid dose based on clinical evaluation. Subsequent infusions may be no sooner than 16 weeks after the previous infusion ( 2.7 ). Methylprednisolone 100 mg intravenous or equivalent glucocorticoid is recommended 30 minutes prior to each infusion ( 2.8 ).

2.1 Imp... [See full FDA label]

🚫 Contraindications ›

4 CONTRAINDICATIONS None. None ( 4 )

⚠️ Warnings & Precautions ›

5 WARNINGS AND PRECAUTIONS Tumor lysis syndrome: Administer aggressive intravenous hydration, anti-hyperuricemic agents, monitor renal function ( 5.5 ). Infections: Withhold TRUXIMA and institute appropriate anti-infective therapy ( 5.6 ). Cardiac adverse reactions: Discontinue infusions in case of serious or life-threatening events ( 5.7 ). Renal toxicity: Discontinue in patients with rising serum creatinine or oliguria ( 5.8 ). Bowel obstruction and perforation: Consider and evaluate for abdominal pain, vomiting, or related symptoms ( 5.9 ). Immunizations: Live virus vaccinations prior to or during TRUXIMA treatment not recommended ( 5.10 ). Embryo-Fetal toxicity: Can cause fetal harm. Advise females of reproductive potential of the potential risk to a fetus and use of effective contraception ( 5.11 ).

5.1 Infusion-Related Reactions Rituximab products can cause severe, including fatal, infusion-related reactions. Severe reactions typically occurred during the first infusion with time to onset of 30 to 120 minutes. Rituximab product-induced infusion-related reactions and sequelae include urticaria, hypotension, angioedema, hypoxia, bronchospasm, pulmonary infiltrates, acute respiratory distress syndrome, myocardial infarction, ventricular fibrillation, cardiogenic shock, anaphylactoid events, or death. Premedicate patients with an antihistamine and acetaminophen prior to dosing. For RA, GPA and MPA, and PV patients, methylprednisolone 100 mg intravenously or its equivalent is recommended 30 minutes prior to each infusion. Institute medical management (e.g., glucocorticoids, epinephrine, bronchodilators, or oxygen) for infusion-related reactions as needed. Depending on the severity of the infusion-related reaction and the required interventions, temporarily or permanently discontinue TRUXIMA. Resume infusion at a minimum 50% reduction in rate after symptoms have resolved. Closely monitor the following patients: those with pre-existing cardiac or pulmonary conditions... [See full FDA label]

🔴 Adverse Reactions ›

6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: Infusion-related reactions [ see Warnings and Precautions (5.1) ] Severe mucocutaneous reactions [ see Warnings and Precautions (5.2) ] Hepatitis B reactivation with fulminant hepatitis [ see Warnings and Precautions (5.3) ] Progressive multifocal leukoencephalopathy [ see Warnings and Precautions (5.4) ] Tumor lysis syndrome [ see Warnings and Precautions (5.5) ] Infections [ see Warnings and Precautions (5.6) ] Cardiovascular adverse reactions [ see Warnings and Precautions (5.7) ] Renal toxicity [ see Warnings and Precautions (5.8) ] Bowel obstruction and perforation [ see Warnings and Precautions (5.9) ] Most common adverse reactions in clinical trials were: NHL (greater than or equal to 25%): infusion-related reactions, fever, lymphopenia, chills, infection, and asthenia ( 6.1 ). CLL (greater than or equal to 25%): infusion-related reactions and neutropenia ( 6.1 ). RA (greater than or equal to 10%): upper respiratory tract infection, nasopharyngitis, urinary tract infection, and bronchitis (other important adverse reactions include infusion-related reactions, serious infections, and cardiovascular events) ( 6.1 ). GPA and MPA (greater than or equal to 15 %): infections, nausea, diarrhea, headache, muscle spasms, anemia, peripheral edema, infusion-related reactions ( 6.1 ). PV (greater than or equal to 15%): infusion-related reactions, depression, upper respiratory tract infection/nasopharyngitis, headache (other important adverse reactions include infections) ( 6.1 ). To report SUSPECTED ADVERSE REACTIONS, contact TEVA Pharmaceuticals at 1-888-483-8279 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

6.1 Clinical Trials Experience in Lymphoid Malignancies Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to... [See full FDA label]

💊 Drug Interactions ›

7 DRUG INTERACTIONS Formal drug interaction studies have not been performed with rituximab products. In patients with CLL, rituximab did not alter systemic exposure to fludarabine or cyclophosphamide. In clinical trials of patients with RA, concomitant administration of methotrexate or cyclophosphamide did not alter the pharmacokinetics of rituximab. Renal toxicity when used in combination with cisplatin ( 5.8 ).

🤰 Pregnancy ›

8.1 Pregnancy Risk Summary Based on human data, rituximab products can cause adverse developmental outcomes including B-cell lymphocytopenia in infants exposed to in-utero [ see Clinical Considerations ] . In animal reproduction studies, intravenous administration of rituximab to pregnant cynomolgus monkeys during the period of organogenesis caused lymphoid B-cell depletion in the newborn offspring at doses resulting in 80% of the exposure (based on AUC) of those achieved following a dose of 2 grams in humans. Advise pregnant women of the risk to a fetus. Adverse outcomes in pregnancy occur regardless of the health of the mother or the use of medications. The background risk of major birth defects and miscarriage for the indicated populations is unknown. The estimated background risk in the U.S. general population of major birth defects is 2%-4% and of miscarriage is 15%-20% of clinically recognized pregnancies. Clinical Considerations Fetal/Neonatal Adverse Reactions Observe newborns and infants for signs of infection and manage accordingly. Data Human data Postmarketing data indicate that B-cell lymphocytopenia generally lasting less than six months can occur in infants exposed to rituximab in-utero. Rituximab was detected postnatally in the serum of infants exposed in-utero. Animal Data An embryo-fetal developmental toxicity study was performed on pregnant cynomolgus monkeys. Pregnant animals received rituximab via the intravenous route during early gestation (organogenesis period; post coitum days 20 through 50). Rituximab was administered as loading doses on post coitum (PC) Days 20, 21 and 22, at 15, 37.5 or 75 mg/kg/day, and then weekly on PC Days 29, 36, 43 and 50, at 20, 50 or 100 mg/kg/week. The 100 mg/kg/week dose resulted in 80% of the exposure (based on AUC) of those achieved following a dose of 2 grams in humans. Rituximab crosses the monkey placenta. Exposed offspring did not exhibit any teratogenic effects but did have decreased lymphoid tissue B cel... [See full FDA label]

👶 Pediatric Use ›

8.4 Pediatric Use The safety and effectiveness of TRUXIMA have not been established in pediatric patients with CLL. Rheumatoid Arthritis and Pemphigus Vulgaris The safety and effectivness of TRUXIMA have not been established in pediatric patients with PV or RA. Rituximab was not studied in pediatric patients with polyarticular juvenile idiopathic arthritis (PJIA) due to concerns regarding the potential for prolonged immunosuppression as a result of B-cell depletion in the developing juvenile immune system.

👴 Geriatric Use ›

8.5 Geriatric Use Diffuse Large B-Cell NHL Among patients with DLBCL evaluated in three randomized, active-controlled trials, 927 patients received rituximab in combination with chemotherapy. Of these, 396 (43%) were age 65 or greater and 123 (13%) were age 75 or greater. No overall differences in effectiveness were observed between these patients and younger patients. Cardiac adverse reactions, mostly supraventricular arrhythmias, occurred more frequently among elderly patients. Serious pulmonary adverse reactions were also more common among the elderly, including pneumonia and pneumonitis. Low-Grade or Follicular Non-Hodgkin's Lymphoma Patients with previously untreated follicular NHL evaluated in NHL Study 5 were randomized to rituximab as single-agent maintenance therapy (n=505) or observation (n=513) after achieving a response to rituximab in combination with chemotherapy. Of these, 123 (24%) patients in the rituximab arm were age 65 or older. No overall differences in safety or effectiveness were observed between these patients and younger patients. Other clinical studies of rituximab in low-grade or follicular, CD20-positive, B-cell NHL did not include sufficient numbers of patients aged 65 and over to determine whether they respond differently from younger subjects. Chronic Lymphocytic Leukemia Among patients with CLL evaluated in two randomized active-controlled trials, 243 of 676 rituximab-treated patients (36%) were 65 years of age or older; of these, 100 rituximab-treated patients (15%) were 70 years of age or older. In exploratory analyses defined by age, there was no observed benefit from the addition of rituximab to fludarabine and cyclophosphamide among patients 70 years of age or older in CLL Study 1 or in CLL Study 2; there was also no observed benefit from the addition of rituximab to fludarabine and cyclophosphamide among patients 65 years of age or older in Study 2 [ see Clinical Studies (14.5) ]. Patients 70 years or older received lower dose i... [See full FDA label]

🔬 Mechanism of Action ›

12.1 Mechanism of Action Rituximab-abbs is a monoclonal antibody. Rituximab products target the CD20 antigen expressed on the surface of pre-B and mature B-lymphocytes. Upon binding to CD20, rituximab products mediate B-cell lysis. Possible mechanisms of cell lysis include complement dependent cytotoxicity (CDC) and antibody dependent cell mediated cytotoxicity (ADCC). B cells are believed to play a role in the pathogenesis of rheumatoid arthritis (RA) and associated chronic synovitis. In this setting, B cells may be acting at multiple sites in the autoimmune/inflammatory process, including through production of rheumatoid factor (RF) and other autoantibodies, antigen presentation, T-cell activation, and/or proinflammatory cytokine production.

📊 Pharmacokinetics ›

12.3 Pharmacokinetics Non-Hodgkin’s Lymphoma (NHL) Pharmacokinetics were characterized in

203 NHL patients receiving 375 mg/m 2 rituximab weekly by intravenous infusion for 4 doses. Rituximab was detectable in the serum of patients 3 to 6 months after completion of treatment. The pharmacokinetic profile of rituximab when administered as 6 infusions of 375 mg/m 2 in combination with 6 cycles of CHOP chemotherapy was similar to that seen with rituximab alone. Based on a population pharmacokinetic analysis of data from

298 NHL patients who received rituximab once weekly or once every three weeks, the estimated median terminal elimination half-life was 22 days (range, 6.1 to 52 days). Patients with higher CD19-positive cell counts or larger measurable tumor lesions at pretreatment had a higher clearance. However, dose adjustment for pretreatment CD19 count or size of tumor lesion is not necessary. Age and gender had no effect on the pharmacokinetics of rituximab. Pharmacokinetics were characterized in 21 patients with CLL receiving rituximab according to the recommended dose and schedule. The estimated median terminal half-life of rituximab was 32 days (range, 14 to 62 days). Rheumatoid Arthritis Following administration of 2 doses of rituximab in patients with RA, the mean (± S.D.; % CV) concentrations after the first infusion (C max first) and second infusion (C max second) were 157 (± 46; 29%) and 183 (± 55; 30%) mcg/mL, and 318 (± 86; 27%) and 381 (± 98; 26%) mcg/mL for the 2 x 500 mg and 2 x 1000 mg doses, respectively. Based on a population pharmacokinetic analysis of data from 2005 RA patients who received rituximab, the estimated clearance of rituximab was

0.335 L/day; volume of distribution was

3.1 L and mean terminal elimination half-life was 18.0 days (range, 5.17 to 77.5 days). Age, weight and gender had no effect on the pharmacokinetics of rituximab in RA patients. Granulomatosis with Polyangiitis (GPA) (Wegener’s Granulomatosis) and Microscopic Po... [See full FDA label]

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